List of practice Questions

Scientists working at which one of the following research organizations have discovered 'God's particle'?
The additional 8% human genome sequenced account for _____ million new letters added to the existing sequenced DNA.
Bacteria was first observed in the year _____ .
Virus contains ____ number of ribosomes.

Which of the following statements are true or false?
1. Endemic when it spreads across the globe is called a pandemic.
2. Epidemic is a disease that is permanently present in a region or population.

Which taste zone of the human tongue is a sour taste zone?
Block Chain Technology has the following hallmark feature/s:
Which one among the following is not a characteristic of 'big data'?
Draw only a labelled diagram of DNA double helix model as proposed by Watson and Crick.
A horizontal bridge is built across a river. A student standing on the bridge throws a small ball vertically upwards with a velocity \(4\ ms^{-1}\). The ball strikes the water surface after \(4s\). The height of bridge above water surface is
(Take: \(g=10\ ms^{-2}\))
Derive laws of reflection of light using Huygens’ principle.
Identify the error in the following sentence and choose the correct option :
"The team have been practicing every day for the upcoming tournament."
If \[ A = \begin{bmatrix} 1 & -2 & 3 \\ -4 & 2 & 5 \end{bmatrix}, B = \begin{bmatrix} 2 & 3 \\ 4 & 5 \\ 2 & 1 \end{bmatrix} \] find the matrix $AB$.
Ten identical cells each emf 2V and internal resistance 1Ω are connected in series with two cells wrongly connected. A resistor of 10Ω is connected to the combination. What is the current through the resistor?
A full-wave rectifer with diodes D1 and D2 is used to rectify 50 Hz alternating voltage. The diode D1 conducts _______ times in one second.
In a row of students. the position of the Vikas from the left side of the row is 8th and the position of Vikas from the right side of the row is 38th. find the total number of students in the row?
If \(a\) and \(b\) are whole numbers such that \(ab = 121\), find the value of \((a-1)b + 1\).
Fill in the blanks with the correct articles: I saw ........... interesting movie last night. It was ............. thriller that kept me on ............. edge of ............... seat.
Arrange the words in the correct order to form a grammatically sound sentence :
a) Yesterday
b) to
c) the
d) library
e) I
f) went
Choose the correct order :
Spot the error in the following sentence and choose the appropriate option.
Democracy is the system in which people could exercise some control over their rulers.
Read the sentence to find out if there is an error and choose the corresponding answer
A. Climatic shifts are
B. so grateful they can be
C. indistinguishable at first
D. from ordinary fluctuations
E. in the weather
Choose the correct answer from the options given below:
Identify the error in the following sentence.
Each girl and each boy was given a red pencil.
Some part of the sentence is grammatically incorrect. Pick the error.
Another surprising change that I noticed in him in recent times is that he avoids to speak to me.
The boat was overloaded (A)/ with the passengers (B)/ and as a result it got drowned. (C)/ No error (D) Which part of the sentence above has an error, if any?
Mr Rao has been (A)/ relieved from his duties (B)/ and is expected to be here by tomorrow. (C)/ No error (D) Which part of the sentence above has an error, if any?